<!DOCTYPE html>
<html>
<head><meta charset="UTF-8"></head>
<body>
  <div id="app">{{ msg }}</div>
  <script src="vue2.min.js"></script>
  <script>
    new Vue({
      el: '#app',
      data: { msg: '硬编码测试成功！' }
    });
  </script>
</body>
</html>